EP0332979A3 - Magnetic support with permanent magnets for absorption of the radial bearing stresses - Google Patents

Magnetic support with permanent magnets for absorption of the radial bearing stresses Download PDF

Info

Publication number: EP0332979A3
Authority: EP; European Patent Office
Prior art keywords: bearing; rotor; centre; gravity; absorption
Prior art date: 1988-03-12
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP89103943A

Other languages

English (en)

Other versions

EP0332979B1 (de

EP0332979A2 (de

Inventor

Johan K. Dr. Fremerey

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Forschungszentrum Juelich GmbH

Original Assignee

Kernforschungsanlage Juelich GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1988-03-12

Filing date

1989-03-07

Publication date

1990-02-07

1989-03-07 Application filed by Kernforschungsanlage Juelich GmbH filed Critical Kernforschungsanlage Juelich GmbH

1989-03-07 Priority to AT89103943T priority Critical patent/ATE97270T1/de

1989-09-20 Publication of EP0332979A2 publication Critical patent/EP0332979A2/de

1990-02-07 Publication of EP0332979A3 publication Critical patent/EP0332979A3/de

1993-11-10 Application granted granted Critical

1993-11-10 Publication of EP0332979B1 publication Critical patent/EP0332979B1/de

2009-03-07 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0442—Active magnetic bearings with devices affected by abnormal, undesired or non-standard conditions such as shock-load, power outage, start-up or touchdown
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/04—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface
- D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor
- D01H4/12—Rotor bearings; Arrangements for driving or stopping
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0474—Active magnetic bearings for rotary movement
- F16C32/0476—Active magnetic bearings for rotary movement with active support of one degree of freedom, e.g. axial magnetic bearings
- F16C32/0478—Active magnetic bearings for rotary movement with active support of one degree of freedom, e.g. axial magnetic bearings with permanent magnets to support radial load
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C39/00—Relieving load on bearings
- F16C39/02—Relieving load on bearings using mechanical means
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C39/00—Relieving load on bearings
- F16C39/06—Relieving load on bearings using magnetic means
- F16C39/063—Permanent magnets
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/04—Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
- H02K1/2781—Magnets shaped to vary the mechanical air gap between the magnets and the stator
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/09—Structural association with bearings with magnetic bearings
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2340/00—Apparatus for treating textiles
- F16C2340/18—Apparatus for spinning or twisting
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/44—Centrifugal pumps
- F16C2360/45—Turbo-molecular pumps

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Power Engineering (AREA)
Textile Engineering (AREA)
Manufacturing & Machinery (AREA)
Magnetic Bearings And Hydrostatic Bearings (AREA)
Reciprocating, Oscillating Or Vibrating Motors (AREA)
Electromagnets (AREA)
Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

EP89103943A 1988-03-12 1989-03-07 Magnetische Lagerung mit Permanentmagneten zur Aufnahme der radialen Lagerkräfte Expired - Lifetime EP0332979B1 (de)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT89103943T ATE97270T1 (de)	1988-03-12	1989-03-07	Magnetische lagerung mit permanentmagneten zur aufnahme der radialen lagerkraefte.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3808331		1988-03-12
DE3808331A DE3808331A1 (de)	1988-03-12	1988-03-12	Magnetische lagerung mit permanentmagneten zur aufnahme der radialen lagerkraefte

Publications (3)

Publication Number	Publication Date
EP0332979A2 EP0332979A2 (de)	1989-09-20
EP0332979A3 true EP0332979A3 (en)	1990-02-07
EP0332979B1 EP0332979B1 (de)	1993-11-10

Family

ID=6349603

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP89103943A Expired - Lifetime EP0332979B1 (de)	1988-03-12	1989-03-07	Magnetische Lagerung mit Permanentmagneten zur Aufnahme der radialen Lagerkräfte

Country Status (9)

Country	Link
US (1)	US5126610A (de)
EP (1)	EP0332979B1 (de)
JP (1)	JP3121819B2 (de)
AT (1)	ATE97270T1 (de)
CA (1)	CA1329945C (de)
DE (3)	DE3808331A1 (de)
DK (1)	DK173852B1 (de)
ES (1)	ES2048223T3 (de)
SU (1)	SU1711681A3 (de)

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1989
- 1989-03-07 ES ES89103943T patent/ES2048223T3/es not_active Expired - Lifetime
- 1989-03-07 DE DE89103943T patent/DE58906127D1/de not_active Expired - Lifetime
- 1989-03-07 EP EP89103943A patent/EP0332979B1/de not_active Expired - Lifetime
- 1989-03-07 AT AT89103943T patent/ATE97270T1/de not_active IP Right Cessation
- 1989-03-09 DK DK198901150A patent/DK173852B1/da not_active IP Right Cessation
- 1989-03-10 SU SU894613623A patent/SU1711681A3/ru active
- 1989-03-10 JP JP01056524A patent/JP3121819B2/ja not_active Expired - Lifetime
- 1989-03-10 CA CA000593421A patent/CA1329945C/en not_active Expired - Lifetime
1990
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Also Published As

Publication number	Publication date
EP0332979B1 (de)	1993-11-10
US5126610A (en)	1992-06-30
CA1329945C (en)	1994-05-31
DE3808331A1 (de)	1989-09-28
JP3121819B2 (ja)	2001-01-09
DK115089A (da)	1989-09-13
DE3844563A1 (de)	1989-11-23
DE3808331C2 (de)	1990-03-29
SU1711681A3 (ru)	1992-02-07
DE3844563C2 (de)	1991-10-10
DK115089D0 (da)	1989-03-09
ATE97270T1 (de)	1993-11-15
DE58906127D1 (de)	1993-12-16
EP0332979A2 (de)	1989-09-20
ES2048223T3 (es)	1994-03-16
JPH01279116A (ja)	1989-11-09
DK173852B1 (da)	2001-12-27

Publication	Publication Date	Title
EP0332979A3 (en)	1990-02-07	Magnetic support with permanent magnets for absorption of the radial bearing stresses
US6603230B1 (en)	2003-08-05	Active magnetic bearing assembly using permanent magnet biased homopolar and reluctance centering effects
EP1655820A3 (de)	2006-07-05	Integriertes Magnetschwebe- und -rotationssystem
CA2278510A1 (en)	1998-07-30	Electrodynamic magnetic bearing
EP0566088A3 (de)	1994-10-26	Lageranordnung zur Verwendung in einem Spaltrohrmotor.
US3753016A (en)	1973-08-14	Bearing system for shafts driven by an electric motor
TW262495B (de)	1995-11-11
EP0149228A3 (en)	1986-03-05	Electric motor, in particular a commutatorless direct current motor
JP3306933B2 (ja)	2002-07-24	空気磁気軸受型モータ
ES2040962T3 (es)	1993-11-01	Maquina electrica de eje horizontal.
GB2033977A (en)	1980-05-29	Flywheel
ATE110655T1 (de)	1994-09-15	Elektrisch betätigbarer fahrzeug-aussenspiegel.
KR960003029A (ko)	1996-01-26	모 터
EA200000478A1 (ru)	2000-12-25	Генератор с постоянным магнитом
GB9207735D0 (en)	1992-05-27	Improvements in or relating to electric motors
US5789838A (en)	1998-08-04	Three-axis force actuator for a magnetic bearing
KR200232132Y1 (ko)	2001-07-19	자기베어링이 있는 모터
JPH03864Y2 (de)	1991-01-11
JPS57160346A (en)	1982-10-02	Regulator for shaft of rotary electric machine
ES2070450T3 (es)	1995-06-01	Motor electrico de corriente continua de dos ejes de rotacion, especialmente para un visor.
KR100219127B1 (ko)	1999-09-01	초박형 고출력 단상 브러시레스 직류모터
JPS6439251A (en)	1989-02-09	Fan-driving motor
US4468577A (en)	1984-08-28	Minimization of motor slip at synchronous spin frequency of an inside-out hysteresis synchronous motor
JPS61210290A (ja)	1986-09-18	タ−ボ分子ポンプの磁気軸受装置
KR20010011955A (ko)	2001-02-15	브러시 레스 모터

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